Can someone help me please! I need to know if it’s A or B and what goes in the box if it’s A

Answer:
Step-by-step explanation:
It is A. If you look at the box, you can see that for every +2 x moves, f(x) -7. So the equation would be f(x)= -(7/2)x+2
Answer:
A
f(x)= -(7/2)x+2